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Marketing & Sales
Reach customers and manage sales.
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Buttondown
Marketing & Sales · Web · APINewsletter software from a small, independent, self-funded team
Reviewed
listmonk
Marketing & Sales · Web · LinuxSelf-hosted newsletters and mailing lists in a single binary
GitHub ★ 24kOpen sourceReviewed
Twenty
Marketing & Sales · Web · APIThe open-source CRM you can shape with code and AI
GitHub ★ 60kOpen sourceMCP server